Ask your own question, for FREE!
Mathematics 7 Online
OpenStudy (anonymous):

What is the value of the y variable in the solution to the following system of equations? 2x + y = 5 x + 3y = 0

OpenStudy (jdoe0001):

if you were to solve for "x" on the 2nd equation, what would you get for "x"?

OpenStudy (anonymous):

you would get 0

OpenStudy (anonymous):

@jdoe0001

OpenStudy (goformit100):

You can too use Matrices to solve this Question.

OpenStudy (anonymous):

how do you do that @goformit100

OpenStudy (anonymous):

solve the bottom equation for x then sub that into x on the top equation and solve for y and you will have your y

OpenStudy (goformit100):

2x + y = 5 x + 3y = 0

OpenStudy (anonymous):

i cant understand it @goformit100

OpenStudy (goformit100):

|dw:1375835395119:dw|

OpenStudy (anonymous):

mutiply the second equation by -2 the eliminate

OpenStudy (goformit100):

|dw:1375835447970:dw|

Can't find your answer? Make a FREE account and ask your own questions, OR help others and earn volunteer hours!

Join our real-time social learning platform and learn together with your friends!
Can't find your answer? Make a FREE account and ask your own questions, OR help others and earn volunteer hours!

Join our real-time social learning platform and learn together with your friends!